Solution
38. ♚c4 b3 39. ♚xb3 ♚d5 40. ♚b4 ♚c6 41. ♚c4 e5 42. ♚b4
The position
This advanced puzzle (rating 1913) asks White to move to find the winning idea. It features these themes: Pawn Endgame.
It is White to move. Look for the tactic hiding in the position — Pawn Endgame. Drag a piece on the board to play your move; the puzzle will tell you if you found the best continuation.
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